(19)

(11)

EP 1 467 830 A1

(12)

(43) Date of publication: 20.10.2004 Bulletin 2004/43 (21) Application number: 03705920.1 (22) Date of filing: 24.01.2003

(51) International Patent Classification (IPC)7: B23D 35/00, B26D 1/04, B26D 7/01 (86) International application number: PCT/US2003/002348 (87) International publication number: WO 2003/064092 (07.08.2003 Gazette 2003/32)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR Designated Extension States: AL LT LV MK RO (30) Priority: 25.01.2002 US 57850 (71) Applicant: Alterra Holdings Corporation Tigard, OR 97281-0030 (US)	(72) Inventor: SCHULZ, William, J. Mosinee, WI 54455 (US) (74) Representative: Lawrence, John  Barker Brettell,138 Hagley Road,Edgbaston Birmingham B16 9PW Birmingham B16 9PW (GB)